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3 years ago

Is this a obtuse angle? Explain

2 answers:

8 0

An obtuse angle is an angle that is more than 90 degrees (a right angle). So Anywhere from 91 degrees to 179 degrees is an obtuse angle. 180 degrees would be a straight line. An acute angle would be anywhere from 1 degree to 89 degrees.

An easy way to remember this is to use your index finger and your thumb. When they are close together you can think of a cute little bug, such as the acute angle. When your fingers make an L then you an think of it being a right angle ( Right being the opposite of left). Lastly you an think of your fingers being longer than a right angle as an obtuse elephant.

This helped me a whole lot when i was in 6th and 7th grade and i hope it helps you too.

ikadub [295]3 years ago

4 0

Answer:

An obtuse angle is an angle greater than 90 degrees but less than 180 Degrees

Step-by-step explanation:

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7k-35=5(1+2k)+2k Can you solve the question

kotykmax [81]

Answer:

7k-35=5+10k+2k

or, 7k-35=5+12k

or, -35-5=12k-7k

or, -40=5k

or, k=-40/5

Therefore, k=-1/8

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3 years ago

What is the perimeter of quadrilateral ABCD?

Bogdan [553]

Answer:

I believe it is 18 + the square root of 26.

Step-by-step explanation:

The slope of line BC should be 5/1 because it goes up 5 times and to the right once. If you square root 26 you get 5.09.

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PIT_PIT [208]

Answer:

Adjacent angles and not a linear pair

Step-by-step explanation:

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3 years ago

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3 years ago

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A 9x - 40 B 3x + 20 x = [?]

Mrrafil [7]

Answer:

x = 10

Step-by-step explanation:

9x - 40 = 3x + 20

9x - 3x - 40 = 3x - 3x + 20

6x - 40 = 20

6x - 40 + 40 = 20 + 40

6x = 60

6x / 6 = 60 / 6

x = 10

Now plug the x value in the equation to make the statement true that A is parallel to B.

9x - 40

9(10) - 40

90 - 40

3x + 20

3(10) + 20

30 + 20

Therefore, x = 10 making the statement true that A is parallel to B. Hope this helps and stay safe, happy, and healthy, thank you :) !!

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3 years ago

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